| 应用间溴偶氮羧—m光度法测定碳酸盐岩石及粮食中的铝 |
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| 引用本文： | 孙周易,唐淑云.应用间溴偶氮羧—m光度法测定碳酸盐岩石及粮食中的铝[J].矿物岩石,1996,16(1):98-100. |
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| 作者姓名： | 孙周易 唐淑云 |
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| 作者单位： | 成都理工学院材料科学与工程系 |
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| 摘 要： | 本文提出了用碳酸钠和氢氧化钠熔矿，在熔矿，提取过程中分离钙、镁、铁、锰等绝大部分干扰元素，应用间溴偶氮羧－ｍ作显色剂测定碳酸盐岩石及粮食中的铝的分光光度法，结果准确，重现性好。
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| 关 键 词： | 碳酸盐岩石 粮食 铝 光度法 溴偶氮羧－m |
SPECTROPHOTOMETRIC DETERMINATION OF ALUMINIUM IN CARBONATE ROCKAND GRAIN WITH METABROMOCARBOXYAZO-m |
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| Sun Zhouyi,Tang Shouyun,Shi Huijun.SPECTROPHOTOMETRIC DETERMINATION OF ALUMINIUM IN CARBONATE ROCKAND GRAIN WITH METABROMOCARBOXYAZO-m[J].Journal of Mineralogy and Petrology,1996,16(1):98-100. |
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| Authors: | Sun Zhouyi Tang Shouyun Shi Huijun |
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| Abstract: | In this paper a method is rendered to separatemost interference element out,such as Ca,Mg,Fe,Mn etc, in the course of melting Sample and extraction, with Na2CO3 and NaOH,and spectrophotometric to determinate aluminium in carbonate rock and grain with metabromocarboxyazo-m as chromogenic reagent.It'S accuracy and precision very well. |
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| Keywords: | aluminium to separate interference element in course of melting sample and extraction with Na_2CO_3 and NaOH metabromocarboxyazo-m |
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